Microcystin Bioaccumulation in Freshwater Fish at Different Trophic Levels from the Eutrophic Lake Chaohu, China

被引：17
|
作者：
Jiang, Yan [1 ]
Yang, Yunmeng [1 ]
Wu, Yuling [1 ]
Tao, Jianbin [1 ]
Cheng, Bo [1 ]
机构：
[1] Cent China Normal Univ, Coll Urban & Environm Sci, Hubei Prov Key Lab Geog Proc Anal & Simulat, Wuhan 430079, Hubei, Peoples R China
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2017年 / 99卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Microcystin; Fish; Lake Chaohu; Eutrophication; CARP HYPOPHTHALMICHTHYS-MOLITRIX; PHYTOPLANKTIVOROUS SILVER CARP; CYANOBACTERIUM MICROCYSTIS; CYPRINUS-CARPIO; RISK-ASSESSMENT; IN-SITU; TOXICITY; DYNAMICS; SHALLOW; HEALTH;
D O I：
10.1007/s00128-017-2047-0
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The spatial and temporal variations of microcystins (MCs) in fishes with different trophic levels were studied monthly in Lake Chaohu in 2014. MCs content in muscle was highest in phytoplanktivorous Hypophthalmichthys molitrix (H. molitrix), followed by omnivorous Carassius auratus (C. auratus), and was lowest in herbivorous Parabramis pekinensis (P. pekinensis) and carnivorous Coilia ectenes (C. ectenes). MCs concentration in liver was highest in C. auratus, followed by H. molitrix, and was lowest in P. pekinensis and C. ectene. The main uptake routes of MCs for C. auratus and H. molitrix were via the diet. The mechanism to counteract MCs had not been well developed in C. ectenes. H. molitrix and C. auratus from the western region as they had higher mean concentrations of MCs than fishes from the eastern region. The estimated daily intakes of MCs in 45.4% of muscle samples were higher than the provisional tolerable daily intake set by WHO.
引用
收藏
页码：69 / 74
页数：6
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